form_field_userptr()

NAME

set_field_userptr(), field_userptr() - associate application data with a form field

SYNOPSIS

#include <form.h>


int set_field_userptr(FIELD *field, char *userptr);
char field_userptr(FIELD *field);

DESCRIPTION

Every form field has a field that can be used to hold application-specific data (that is, the form-driver code leaves it alone). These functions get and set that field.

RETURN VALUE

The function field_userptr(3) returns NULL on error. The function set_field_userptr(3) returns(3) one of the following:

E_OK

The routine succeeded.

E_SYSTEM_ERROR

System error occurred (see errno)

SEE ALSO

curses(3)

forms(3)

NOTES

The header file <form.h> automatically includes the header file <curses.h>.

PORTABILITY

These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.

The user pointer should be a void pointer. We leave it as a char pointer for SVr4 compatibility.

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